X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fjexer%2FTTableWidget.java;fp=src%2Fjexer%2FTTableWidget.java;h=9b4d7c9847faaa6688dae4a65b63173169683e77;hb=12b90437b5f22c2ae6e9b9b14c3b62b60f6143e5;hp=0000000000000000000000000000000000000000;hpb=b709b36e17eb8807819e51297bb398ef28ece52d;p=fanfix.git diff --git a/src/jexer/TTableWidget.java b/src/jexer/TTableWidget.java new file mode 100644 index 0000000..9b4d7c9 --- /dev/null +++ b/src/jexer/TTableWidget.java @@ -0,0 +1,2361 @@ +/* + * Jexer - Java Text User Interface + * + * The MIT License (MIT) + * + * Copyright (C) 2019 Kevin Lamonte + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * @author Kevin Lamonte [kevin.lamonte@gmail.com] + * @version 1 + */ +package jexer; + +import java.io.BufferedReader; +import java.io.BufferedWriter; +import java.io.File; +import java.io.FileReader; +import java.io.FileWriter; +import java.io.IOException; +import java.util.ArrayList; +import java.util.List; + +import jexer.bits.CellAttributes; +import jexer.bits.StringUtils; +import jexer.event.TKeypressEvent; +import jexer.event.TMouseEvent; +import jexer.event.TResizeEvent; +import static jexer.TKeypress.*; + +/** + * TTableWidget is used to display and edit regular two-dimensional tables of + * cells. + * + * This class was inspired by a TTable implementation originally developed by + * David "Niki" ROULET [niki@nikiroo.be], made available under MIT at + * https://github.com/nikiroo/jexer/tree/ttable_pull. + */ +public class TTableWidget extends TWidget { + + // ------------------------------------------------------------------------ + // Constants -------------------------------------------------------------- + // ------------------------------------------------------------------------ + + /** + * Available borders for cells. + */ + public enum Border { + /** + * No border. + */ + NONE, + + /** + * Single bar: \u2502 (vertical) and \u2500 (horizontal). + */ + SINGLE, + + /** + * Double bar: \u2551 (vertical) and \u2550 (horizontal). + */ + DOUBLE, + + /** + * Thick bar: \u2503 (vertical heavy) and \u2501 (horizontal heavy). + */ + THICK, + } + + /** + * If true, put a grid of numbers in the cells. + */ + private static final boolean DEBUG = false; + + /** + * Row label width. + */ + private static final int ROW_LABEL_WIDTH = 8; + + /** + * Column label height. + */ + private static final int COLUMN_LABEL_HEIGHT = 1; + + /** + * Column default width. + */ + private static final int COLUMN_DEFAULT_WIDTH = 8; + + /** + * Extra rows to add. + */ + private static final int EXTRA_ROWS = (DEBUG ? 10 : 0); + + /** + * Extra columns to add. + */ + private static final int EXTRA_COLUMNS = (DEBUG ? 3 : 0); + + // ------------------------------------------------------------------------ + // Variables -------------------------------------------------------------- + // ------------------------------------------------------------------------ + + /** + * The underlying data, organized as columns. + */ + private ArrayList columns = new ArrayList(); + + /** + * The underlying data, organized as rows. + */ + private ArrayList rows = new ArrayList(); + + /** + * The row in model corresponding to the top-left visible cell. + */ + private int top = 0; + + /** + * The column in model corresponding to the top-left visible cell. + */ + private int left = 0; + + /** + * The row in model corresponding to the currently selected cell. + */ + private int selectedRow = 0; + + /** + * The column in model corresponding to the currently selected cell. + */ + private int selectedColumn = 0; + + /** + * If true, highlight the entire row of the currently-selected cell. + */ + private boolean highlightRow = false; + + /** + * If true, highlight the entire column of the currently-selected cell. + */ + private boolean highlightColumn = false; + + /** + * If true, show the row labels as the first column. + */ + private boolean showRowLabels = true; + + /** + * If true, show the column labels as the first row. + */ + private boolean showColumnLabels = true; + + /** + * The top border for the first row. + */ + private Border topBorder = Border.NONE; + + /** + * The left border for the first column. + */ + private Border leftBorder = Border.NONE; + + /** + * Column represents a column of cells. + */ + public class Column { + + /** + * X position of this column. + */ + private int x = 0; + + /** + * Width of column. + */ + private int width = COLUMN_DEFAULT_WIDTH; + + /** + * The cells of this column. + */ + private ArrayList cells = new ArrayList(); + + /** + * Column label. + */ + private String label = ""; + + /** + * The right border for this column. + */ + private Border rightBorder = Border.NONE; + + /** + * Constructor sets label to lettered column. + * + * @param col column number to use for this column. Column 0 will be + * "A", column 1 will be "B", column 26 will be "AA", and so on. + */ + Column(int col) { + label = makeColumnLabel(col); + } + + /** + * Add an entry to this column. + * + * @param cell the cell to add + */ + public void add(final Cell cell) { + cells.add(cell); + } + + /** + * Get an entry from this column. + * + * @param row the entry index to get + * @return the cell at row + */ + public Cell get(final int row) { + return cells.get(row); + } + + /** + * Get the X position of the cells in this column. + * + * @return the position + */ + public int getX() { + return x; + } + + /** + * Set the X position of the cells in this column. + * + * @param x the position + */ + public void setX(final int x) { + for (Cell cell: cells) { + cell.setX(x); + } + this.x = x; + } + + } + + /** + * Row represents a row of cells. + */ + public class Row { + + /** + * Y position of this row. + */ + private int y = 0; + + /** + * Height of row. + */ + private int height = 1; + + /** + * The cells of this row. + */ + private ArrayList cells = new ArrayList(); + + /** + * Row label. + */ + private String label = ""; + + /** + * The bottom border for this row. + */ + private Border bottomBorder = Border.NONE; + + /** + * Constructor sets label to numbered row. + * + * @param row row number to use for this row + */ + Row(final int row) { + label = Integer.toString(row); + } + + /** + * Add an entry to this column. + * + * @param cell the cell to add + */ + public void add(final Cell cell) { + cells.add(cell); + } + + /** + * Get an entry from this row. + * + * @param column the entry index to get + * @return the cell at column + */ + public Cell get(final int column) { + return cells.get(column); + } + /** + * Get the Y position of the cells in this column. + * + * @return the position + */ + public int getY() { + return y; + } + + /** + * Set the Y position of the cells in this column. + * + * @param y the position + */ + public void setY(final int y) { + for (Cell cell: cells) { + cell.setY(y); + } + this.y = y; + } + + } + + /** + * Cell represents an editable cell in the table. Normally, navigation + * to a cell only highlights it; pressing Enter or F2 will switch to + * editing mode. + */ + public class Cell extends TWidget { + + // -------------------------------------------------------------------- + // Variables ---------------------------------------------------------- + // -------------------------------------------------------------------- + + /** + * The field containing the cell's data. + */ + private TField field; + + /** + * The column of this cell. + */ + private int column; + + /** + * The row of this cell. + */ + private int row; + + /** + * If true, the cell is being edited. + */ + private boolean isEditing = false; + + /** + * If true, the cell is read-only (non-editable). + */ + private boolean readOnly = false; + + /** + * Text of field before editing. + */ + private String fieldText; + + // -------------------------------------------------------------------- + // Constructors ------------------------------------------------------- + // -------------------------------------------------------------------- + + /** + * Public constructor. + * + * @param parent parent widget + * @param x column relative to parent + * @param y row relative to parent + * @param width width of widget + * @param height height of widget + * @param column column index of this cell + * @param row row index of this cell + */ + public Cell(final TTableWidget parent, final int x, final int y, + final int width, final int height, final int column, + final int row) { + + super(parent, x, y, width, height); + this.column = column; + this.row = row; + + field = addField(0, 0, width, false); + field.setEnabled(false); + field.setBackgroundChar(' '); + } + + // -------------------------------------------------------------------- + // Event handlers ----------------------------------------------------- + // -------------------------------------------------------------------- + + /** + * Handle mouse double-click events. + * + * @param mouse mouse double-click event + */ + @Override + public void onMouseDoubleClick(final TMouseEvent mouse) { + // Use TWidget's code to pass the event to the children. + super.onMouseDown(mouse); + + // Double-click means to start editing. + fieldText = field.getText(); + isEditing = true; + field.setEnabled(true); + activate(field); + + if (isActive()) { + // Let the table know that I was activated. + ((TTableWidget) getParent()).selectedRow = row; + ((TTableWidget) getParent()).selectedColumn = column; + ((TTableWidget) getParent()).alignGrid(); + } + } + + /** + * Handle mouse press events. + * + * @param mouse mouse button press event + */ + @Override + public void onMouseDown(final TMouseEvent mouse) { + // Use TWidget's code to pass the event to the children. + super.onMouseDown(mouse); + + if (isActive()) { + // Let the table know that I was activated. + ((TTableWidget) getParent()).selectedRow = row; + ((TTableWidget) getParent()).selectedColumn = column; + ((TTableWidget) getParent()).alignGrid(); + } + } + + /** + * Handle mouse release events. + * + * @param mouse mouse button release event + */ + @Override + public void onMouseUp(final TMouseEvent mouse) { + // Use TWidget's code to pass the event to the children. + super.onMouseDown(mouse); + + if (isActive()) { + // Let the table know that I was activated. + ((TTableWidget) getParent()).selectedRow = row; + ((TTableWidget) getParent()).selectedColumn = column; + ((TTableWidget) getParent()).alignGrid(); + } + } + + /** + * Handle keystrokes. + * + * @param keypress keystroke event + */ + @Override + public void onKeypress(final TKeypressEvent keypress) { + // System.err.println("Cell onKeypress: " + keypress); + + if (readOnly) { + // Read only: do nothing. + return; + } + + if (isEditing) { + if (keypress.equals(kbEsc)) { + // ESC cancels the edit. + cancelEdit(); + return; + } + if (keypress.equals(kbEnter)) { + // Enter ends editing. + + // Pass down to field first so that it can execute + // enterAction if specified. + super.onKeypress(keypress); + + fieldText = field.getText(); + isEditing = false; + field.setEnabled(false); + return; + } + // Pass down to field. + super.onKeypress(keypress); + } + + if (keypress.equals(kbEnter) || keypress.equals(kbF2)) { + // Enter or F2 starts editing. + fieldText = field.getText(); + isEditing = true; + field.setEnabled(true); + activate(field); + return; + } + } + + // -------------------------------------------------------------------- + // TWidget ------------------------------------------------------------ + // -------------------------------------------------------------------- + + /** + * Draw this cell. + */ + @Override + public void draw() { + TTableWidget table = (TTableWidget) getParent(); + + if (isAbsoluteActive()) { + if (isEditing) { + field.setActiveColorKey("tfield.active"); + field.setInactiveColorKey("tfield.inactive"); + } else { + field.setActiveColorKey("ttable.selected"); + field.setInactiveColorKey("ttable.selected"); + } + } else if (((table.selectedColumn == column) + && ((table.selectedRow == row) + || (table.highlightColumn == true))) + || ((table.selectedRow == row) + && ((table.selectedColumn == column) + || (table.highlightRow == true))) + ) { + field.setActiveColorKey("ttable.active"); + field.setInactiveColorKey("ttable.active"); + } else { + field.setActiveColorKey("ttable.active"); + field.setInactiveColorKey("ttable.inactive"); + } + + assert (isVisible() == true); + + super.draw(); + } + + // -------------------------------------------------------------------- + // TTable.Cell -------------------------------------------------------- + // -------------------------------------------------------------------- + + /** + * Get field text. + * + * @return field text + */ + public final String getText() { + return field.getText(); + } + + /** + * Set field text. + * + * @param text the new field text + */ + public void setText(final String text) { + field.setText(text); + } + + /** + * Cancel any pending edit. + */ + public void cancelEdit() { + // Cancel any pending edit. + if (fieldText != null) { + field.setText(fieldText); + } + isEditing = false; + field.setEnabled(false); + } + + /** + * Set an entire column of cells read-only (non-editable) or not. + * + * @param readOnly if true, the cells will be non-editable + */ + public void setReadOnly(final boolean readOnly) { + cancelEdit(); + this.readOnly = readOnly; + } + + } + + // ------------------------------------------------------------------------ + // Constructors ----------------------------------------------------------- + // ------------------------------------------------------------------------ + + /** + * Public constructor. + * + * @param parent parent widget + * @param x column relative to parent + * @param y row relative to parent + * @param width width of widget + * @param height height of widget + * @param gridColumns number of columns in grid + * @param gridRows number of rows in grid + */ + public TTableWidget(final TWidget parent, final int x, final int y, + final int width, final int height, final int gridColumns, + final int gridRows) { + + super(parent, x, y, width, height); + + /* + System.err.println("gridColumns " + gridColumns + + " gridRows " + gridRows); + */ + + if (gridColumns < 1) { + throw new IllegalArgumentException("Column count cannot be less " + + "than 1"); + } + if (gridRows < 1) { + throw new IllegalArgumentException("Row count cannot be less " + + "than 1"); + } + + // Initialize the starting row and column. + rows.add(new Row(0)); + columns.add(new Column(0)); + assert (rows.get(0).height == 1); + + // Place a grid of cells that fit in this space. + for (int row = 0; row < gridRows; row++) { + for (int column = 0; column < gridColumns; column++) { + Cell cell = new Cell(this, 0, 0, COLUMN_DEFAULT_WIDTH, 1, + column, row); + + if (DEBUG) { + // For debugging: set a grid of cell index labels. + cell.setText("" + row + " " + column); + } + rows.get(row).add(cell); + columns.get(column).add(cell); + + if (columns.size() < gridColumns) { + columns.add(new Column(column + 1)); + } + } + if (row < gridRows - 1) { + rows.add(new Row(row + 1)); + } + } + for (int i = 0; i < rows.size(); i++) { + rows.get(i).setY(i + (showColumnLabels ? COLUMN_LABEL_HEIGHT : 0)); + } + for (int j = 0; j < columns.size(); j++) { + columns.get(j).setX((j * (COLUMN_DEFAULT_WIDTH + 1)) + + (showRowLabels ? ROW_LABEL_WIDTH : 0)); + } + activate(columns.get(selectedColumn).get(selectedRow)); + + alignGrid(); + } + + /** + * Public constructor. + * + * @param parent parent widget + * @param x column relative to parent + * @param y row relative to parent + * @param width width of widget + * @param height height of widget + */ + public TTableWidget(final TWidget parent, final int x, final int y, + final int width, final int height) { + + this(parent, x, y, width, height, + width / (COLUMN_DEFAULT_WIDTH + 1) + EXTRA_COLUMNS, + height + EXTRA_ROWS); + } + + // ------------------------------------------------------------------------ + // Event handlers --------------------------------------------------------- + // ------------------------------------------------------------------------ + + /** + * Handle mouse press events. + * + * @param mouse mouse button press event + */ + @Override + public void onMouseDown(final TMouseEvent mouse) { + if (mouse.isMouseWheelUp() || mouse.isMouseWheelDown()) { + // Treat wheel up/down as 3 up/down + TKeypressEvent keyEvent; + if (mouse.isMouseWheelUp()) { + keyEvent = new TKeypressEvent(kbUp); + } else { + keyEvent = new TKeypressEvent(kbDown); + } + for (int i = 0; i < 3; i++) { + onKeypress(keyEvent); + } + return; + } + + // Use TWidget's code to pass the event to the children. + super.onMouseDown(mouse); + } + + /** + * Handle keystrokes. + * + * @param keypress keystroke event + */ + @Override + public void onKeypress(final TKeypressEvent keypress) { + if (keypress.equals(kbTab) + || keypress.equals(kbShiftTab) + ) { + // Squash tab and back-tab. They don't make sense in the TTable + // grid context. + return; + } + + // If editing, pass to that cell and do nothing else. + if (getSelectedCell().isEditing) { + super.onKeypress(keypress); + return; + } + + if (keypress.equals(kbLeft)) { + // Left + if (selectedColumn > 0) { + selectedColumn--; + } + activate(columns.get(selectedColumn).get(selectedRow)); + } else if (keypress.equals(kbRight)) { + // Right + if (selectedColumn < columns.size() - 1) { + selectedColumn++; + } + activate(columns.get(selectedColumn).get(selectedRow)); + } else if (keypress.equals(kbUp)) { + // Up + if (selectedRow > 0) { + selectedRow--; + } + activate(columns.get(selectedColumn).get(selectedRow)); + } else if (keypress.equals(kbDown)) { + // Down + if (selectedRow < rows.size() - 1) { + selectedRow++; + } + activate(columns.get(selectedColumn).get(selectedRow)); + } else if (keypress.equals(kbHome)) { + // Home - leftmost column + selectedColumn = 0; + activate(columns.get(selectedColumn).get(selectedRow)); + } else if (keypress.equals(kbEnd)) { + // End - rightmost column + selectedColumn = columns.size() - 1; + activate(columns.get(selectedColumn).get(selectedRow)); + } else if (keypress.equals(kbPgUp)) { + // PgUp - Treat like multiple up + for (int i = 0; i < getHeight() - 2; i++) { + if (selectedRow > 0) { + selectedRow--; + } + } + activate(columns.get(selectedColumn).get(selectedRow)); + } else if (keypress.equals(kbPgDn)) { + // PgDn - Treat like multiple up + for (int i = 0; i < getHeight() - 2; i++) { + if (selectedRow < rows.size() - 1) { + selectedRow++; + } + } + activate(columns.get(selectedColumn).get(selectedRow)); + } else if (keypress.equals(kbCtrlHome)) { + // Ctrl-Home - go to top-left + selectedRow = 0; + selectedColumn = 0; + activate(columns.get(selectedColumn).get(selectedRow)); + activate(columns.get(selectedColumn).get(selectedRow)); + } else if (keypress.equals(kbCtrlEnd)) { + // Ctrl-End - go to bottom-right + selectedRow = rows.size() - 1; + selectedColumn = columns.size() - 1; + activate(columns.get(selectedColumn).get(selectedRow)); + activate(columns.get(selectedColumn).get(selectedRow)); + } else { + // Pass to the Cell. + super.onKeypress(keypress); + } + + // We may have scrolled off screen. Reset positions as needed to + // make the newly selected cell visible. + alignGrid(); + } + + /** + * Handle widget resize events. + * + * @param event resize event + */ + @Override + public void onResize(final TResizeEvent event) { + super.onResize(event); + + bottomRightCorner(); + } + + // ------------------------------------------------------------------------ + // TWidget ---------------------------------------------------------------- + // ------------------------------------------------------------------------ + + /** + * Draw the table row/column labels, and borders. + */ + @Override + public void draw() { + CellAttributes labelColor = getTheme().getColor("ttable.label"); + CellAttributes labelColorSelected = getTheme().getColor("ttable.label.selected"); + CellAttributes borderColor = getTheme().getColor("ttable.border"); + + // Column labels. + if (showColumnLabels == true) { + for (int i = left; i < columns.size(); i++) { + if (columns.get(i).get(top).isVisible() == false) { + break; + } + putStringXY(columns.get(i).get(top).getX(), 0, + String.format(" %-" + + (columns.get(i).width - 2) + + "s ", columns.get(i).label), + (i == selectedColumn ? labelColorSelected : labelColor)); + } + } + + // Row labels. + if (showRowLabels == true) { + for (int i = top; i < rows.size(); i++) { + if (rows.get(i).get(left).isVisible() == false) { + break; + } + putStringXY(0, rows.get(i).get(left).getY(), + String.format(" %-6s ", rows.get(i).label), + (i == selectedRow ? labelColorSelected : labelColor)); + } + } + + // Draw vertical borders. + if (leftBorder == Border.SINGLE) { + vLineXY((showRowLabels ? ROW_LABEL_WIDTH : 0), + (topBorder == Border.NONE ? 0 : 1) + + (showColumnLabels ? COLUMN_LABEL_HEIGHT : 0), + getHeight(), '\u2502', borderColor); + } + for (int i = left; i < columns.size(); i++) { + if (columns.get(i).get(top).isVisible() == false) { + break; + } + if (columns.get(i).rightBorder == Border.SINGLE) { + vLineXY(columns.get(i).getX() + columns.get(i).width, + (topBorder == Border.NONE ? 0 : 1) + + (showColumnLabels ? COLUMN_LABEL_HEIGHT : 0), + getHeight(), '\u2502', borderColor); + } + } + + // Draw horizontal borders. + if (topBorder == Border.SINGLE) { + hLineXY((showRowLabels ? ROW_LABEL_WIDTH : 0), + (showColumnLabels ? COLUMN_LABEL_HEIGHT : 0), + getWidth(), '\u2500', borderColor); + } + for (int i = top; i < rows.size(); i++) { + if (rows.get(i).get(left).isVisible() == false) { + break; + } + if (rows.get(i).bottomBorder == Border.SINGLE) { + hLineXY((leftBorder == Border.NONE ? 0 : 1) + + (showRowLabels ? ROW_LABEL_WIDTH : 0), + rows.get(i).getY() + rows.get(i).height - 1, + getWidth(), '\u2500', borderColor); + } else if (rows.get(i).bottomBorder == Border.DOUBLE) { + hLineXY((leftBorder == Border.NONE ? 0 : 1) + + (showRowLabels ? ROW_LABEL_WIDTH : 0), + rows.get(i).getY() + rows.get(i).height - 1, + getWidth(), '\u2550', borderColor); + } else if (rows.get(i).bottomBorder == Border.THICK) { + hLineXY((leftBorder == Border.NONE ? 0 : 1) + + (showRowLabels ? ROW_LABEL_WIDTH : 0), + rows.get(i).getY() + rows.get(i).height - 1, + getWidth(), '\u2501', borderColor); + } + } + // Top-left corner if needed + if ((topBorder == Border.SINGLE) && (leftBorder == Border.SINGLE)) { + putCharXY((showRowLabels ? ROW_LABEL_WIDTH : 0), + (showColumnLabels ? COLUMN_LABEL_HEIGHT : 0), + '\u250c', borderColor); + } + + // Now draw the correct corners + for (int i = top; i < rows.size(); i++) { + if (rows.get(i).get(left).isVisible() == false) { + break; + } + for (int j = left; j < columns.size(); j++) { + if (columns.get(j).get(i).isVisible() == false) { + break; + } + if ((i == top) && (topBorder == Border.SINGLE) + && (columns.get(j).rightBorder == Border.SINGLE) + ) { + // Top tee + putCharXY(columns.get(j).getX() + columns.get(j).width, + (showColumnLabels ? COLUMN_LABEL_HEIGHT : 0), + '\u252c', borderColor); + } + if ((j == left) && (leftBorder == Border.SINGLE) + && (rows.get(i).bottomBorder == Border.SINGLE) + ) { + // Left tee + putCharXY((showRowLabels ? ROW_LABEL_WIDTH : 0), + rows.get(i).getY() + rows.get(i).height - 1, + '\u251c', borderColor); + } + if ((columns.get(j).rightBorder == Border.SINGLE) + && (rows.get(i).bottomBorder == Border.SINGLE) + ) { + // Intersection of single bars + putCharXY(columns.get(j).getX() + columns.get(j).width, + rows.get(i).getY() + rows.get(i).height - 1, + '\u253c', borderColor); + } + if ((j == left) && (leftBorder == Border.SINGLE) + && (rows.get(i).bottomBorder == Border.DOUBLE) + ) { + // Left tee: single bar vertical, double bar horizontal + putCharXY((showRowLabels ? ROW_LABEL_WIDTH : 0), + rows.get(i).getY() + rows.get(i).height - 1, + '\u255e', borderColor); + } + if ((j == left) && (leftBorder == Border.SINGLE) + && (rows.get(i).bottomBorder == Border.THICK) + ) { + // Left tee: single bar vertical, thick bar horizontal + putCharXY((showRowLabels ? ROW_LABEL_WIDTH : 0), + rows.get(i).getY() + rows.get(i).height - 1, + '\u251d', borderColor); + } + if ((columns.get(j).rightBorder == Border.SINGLE) + && (rows.get(i).bottomBorder == Border.DOUBLE) + ) { + // Intersection: single bar vertical, double bar + // horizontal + putCharXY(columns.get(j).getX() + columns.get(j).width, + rows.get(i).getY() + rows.get(i).height - 1, + '\u256a', borderColor); + } + if ((columns.get(j).rightBorder == Border.SINGLE) + && (rows.get(i).bottomBorder == Border.THICK) + ) { + // Intersection: single bar vertical, thick bar + // horizontal + putCharXY(columns.get(j).getX() + columns.get(j).width, + rows.get(i).getY() + rows.get(i).height - 1, + '\u253f', borderColor); + } + } + } + + // Now draw the window borders. + super.draw(); + } + + // ------------------------------------------------------------------------ + // TTable ----------------------------------------------------------------- + // ------------------------------------------------------------------------ + + /** + * Generate the default letter name for a column number. + * + * @param col column number to use for this column. Column 0 will be + * "A", column 1 will be "B", column 26 will be "AA", and so on. + */ + private String makeColumnLabel(int col) { + StringBuilder sb = new StringBuilder(); + for (;;) { + sb.append((char) ('A' + (col % 26))); + if (col < 26) { + break; + } + col /= 26; + } + return sb.reverse().toString(); + } + + /** + * Get the currently-selected cell. + * + * @return the selected cell + */ + public Cell getSelectedCell() { + assert (rows.get(selectedRow) != null); + assert (rows.get(selectedRow).get(selectedColumn) != null); + assert (columns.get(selectedColumn) != null); + assert (columns.get(selectedColumn).get(selectedRow) != null); + assert (rows.get(selectedRow).get(selectedColumn) == + columns.get(selectedColumn).get(selectedRow)); + + return (columns.get(selectedColumn).get(selectedRow)); + } + + /** + * Get the currently-selected column. + * + * @return the selected column + */ + public Column getSelectedColumn() { + assert (selectedColumn >= 0); + assert (columns.size() > selectedColumn); + assert (columns.get(selectedColumn) != null); + return columns.get(selectedColumn); + } + + /** + * Get the currently-selected row. + * + * @return the selected row + */ + public Row getSelectedRow() { + assert (selectedRow >= 0); + assert (rows.size() > selectedRow); + assert (rows.get(selectedRow) != null); + return rows.get(selectedRow); + } + + /** + * Get the currently-selected column number. 0 is the left-most column. + * + * @return the selected column number + */ + public int getSelectedColumnNumber() { + return selectedColumn; + } + + /** + * Set the currently-selected column number. 0 is the left-most column. + * + * @param column the column number to select + */ + public void setSelectedColumnNumber(final int column) { + if ((column < 0) || (column > columns.size() - 1)) { + throw new IndexOutOfBoundsException("Column count is " + + columns.size() + ", requested index " + column); + } + selectedColumn = column; + activate(columns.get(selectedColumn).get(selectedRow)); + alignGrid(); + } + + /** + * Get the currently-selected row number. 0 is the top-most row. + * + * @return the selected row number + */ + public int getSelectedRowNumber() { + return selectedRow; + } + + /** + * Set the currently-selected row number. 0 is the left-most column. + * + * @param row the row number to select + */ + public void setSelectedRowNumber(final int row) { + if ((row < 0) || (row > rows.size() - 1)) { + throw new IndexOutOfBoundsException("Row count is " + + rows.size() + ", requested index " + row); + } + selectedRow = row; + activate(columns.get(selectedColumn).get(selectedRow)); + alignGrid(); + } + + /** + * Get the highlight row flag. + * + * @return true if the selected row is highlighted + */ + public boolean getHighlightRow() { + return highlightRow; + } + + /** + * Set the highlight row flag. + * + * @param highlightRow if true, the selected row will be highlighted + */ + public void setHighlightRow(final boolean highlightRow) { + this.highlightRow = highlightRow; + } + + /** + * Get the highlight column flag. + * + * @return true if the selected column is highlighted + */ + public boolean getHighlightColumn() { + return highlightColumn; + } + + /** + * Set the highlight column flag. + * + * @param highlightColumn if true, the selected column will be highlighted + */ + public void setHighlightColumn(final boolean highlightColumn) { + this.highlightColumn = highlightColumn; + } + + /** + * Get the show row labels flag. + * + * @return true if row labels are shown + */ + public boolean getShowRowLabels() { + return showRowLabels; + } + + /** + * Set the show row labels flag. + * + * @param showRowLabels if true, the row labels will be shown + */ + public void setShowRowLabels(final boolean showRowLabels) { + this.showRowLabels = showRowLabels; + } + + /** + * Get the show column labels flag. + * + * @return true if column labels are shown + */ + public boolean getShowColumnLabels() { + return showColumnLabels; + } + + /** + * Set the show column labels flag. + * + * @param showColumnLabels if true, the column labels will be shown + */ + public void setShowColumnLabels(final boolean showColumnLabels) { + this.showColumnLabels = showColumnLabels; + } + + /** + * Get the number of columns. + * + * @return the number of columns + */ + public int getColumnCount() { + return columns.size(); + } + + /** + * Get the number of rows. + * + * @return the number of rows + */ + public int getRowCount() { + return rows.size(); + } + + + /** + * Push top and left to the bottom-most right corner of the available + * grid. + */ + private void bottomRightCorner() { + int viewColumns = getWidth(); + if (showRowLabels == true) { + viewColumns -= ROW_LABEL_WIDTH; + } + + // Set left and top such that the table stays on screen if possible. + top = rows.size() - getHeight(); + left = columns.size() - (getWidth() / (viewColumns / (COLUMN_DEFAULT_WIDTH + 1))); + // Now ensure the selection is visible. + alignGrid(); + } + + /** + * Align the grid so that the selected cell is fully visible. + */ + private void alignGrid() { + + /* + System.err.println("alignGrid() # columns " + columns.size() + + " # rows " + rows.size()); + */ + + int viewColumns = getWidth(); + if (showRowLabels == true) { + viewColumns -= ROW_LABEL_WIDTH; + } + if (leftBorder != Border.NONE) { + viewColumns--; + } + int viewRows = getHeight(); + if (showColumnLabels == true) { + viewRows -= COLUMN_LABEL_HEIGHT; + } + if (topBorder != Border.NONE) { + viewRows--; + } + + // If we pushed left or right, adjust the box to include the new + // selected cell. + if (selectedColumn < left) { + left = selectedColumn - 1; + } + if (left < 0) { + left = 0; + } + if (selectedRow < top) { + top = selectedRow - 1; + } + if (top < 0) { + top = 0; + } + + /* + * viewColumns and viewRows now contain the available columns and + * rows available to view the selected cell. We adjust left and top + * to ensure the selected cell is within view, and then make all + * cells outside the box between (left, top) and (right, bottom) + * invisible. + * + * We need to calculate right and bottom now. + */ + int right = left; + + boolean done = false; + while (!done) { + int rightCellX = (showRowLabels ? ROW_LABEL_WIDTH : 0); + if (leftBorder != Border.NONE) { + rightCellX++; + } + int maxCellX = rightCellX + viewColumns; + right = left; + boolean selectedIsVisible = false; + int selectedX = 0; + for (int x = left; x < columns.size(); x++) { + if (x == selectedColumn) { + selectedX = rightCellX; + if (selectedX + columns.get(x).width + 1 <= maxCellX) { + selectedIsVisible = true; + } + } + rightCellX += columns.get(x).width + 1; + if (rightCellX >= maxCellX) { + break; + } + right++; + } + if (right < selectedColumn) { + // selectedColumn is outside the view range. Push left over, + // and calculate again. + left++; + } else if (left == selectedColumn) { + // selectedColumn doesn't fit inside the view range, but we + // can't go over any further either. Bail out. + done = true; + } else if (selectedIsVisible == false) { + // selectedColumn doesn't fit inside the view range, continue + // on. + left++; + } else { + // selectedColumn is fully visible, all done. + assert (selectedIsVisible == true); + done = true; + } + + } // while (!done) + + // We have the left/right range correct, set cell visibility and + // column X positions. + int leftCellX = showRowLabels ? ROW_LABEL_WIDTH : 0; + if (leftBorder != Border.NONE) { + leftCellX++; + } + for (int x = 0; x < columns.size(); x++) { + if ((x < left) || (x > right)) { + for (int i = 0; i < rows.size(); i++) { + columns.get(x).get(i).setVisible(false); + columns.get(x).setX(getWidth() + 1); + } + continue; + } + for (int i = 0; i < rows.size(); i++) { + columns.get(x).get(i).setVisible(true); + } + columns.get(x).setX(leftCellX); + leftCellX += columns.get(x).width + 1; + } + + int bottom = top; + + done = false; + while (!done) { + int bottomCellY = (showColumnLabels ? COLUMN_LABEL_HEIGHT : 0); + if (topBorder != Border.NONE) { + bottomCellY++; + } + int maxCellY = bottomCellY + viewRows; + bottom = top; + for (int y = top; y < rows.size(); y++) { + bottomCellY += rows.get(y).height; + if (bottomCellY >= maxCellY) { + break; + } + bottom++; + } + if (bottom < selectedRow) { + // selectedRow is outside the view range. Push top down, and + // calculate again. + top++; + } else { + // selectedRow is inside the view range, done. + done = true; + } + } // while (!done) + + // We have the top/bottom range correct, set cell visibility and + // row Y positions. + int topCellY = showColumnLabels ? COLUMN_LABEL_HEIGHT : 0; + if (topBorder != Border.NONE) { + topCellY++; + } + for (int y = 0; y < rows.size(); y++) { + if ((y < top) || (y > bottom)) { + for (int i = 0; i < columns.size(); i++) { + rows.get(y).get(i).setVisible(false); + } + rows.get(y).setY(getHeight() + 1); + continue; + } + for (int i = 0; i < columns.size(); i++) { + rows.get(y).get(i).setVisible(true); + } + rows.get(y).setY(topCellY); + topCellY += rows.get(y).height; + } + + // Last thing: cancel any edits that are not the selected cell. + for (int y = 0; y < rows.size(); y++) { + for (int x = 0; x < columns.size(); x++) { + if ((x == selectedColumn) && (y == selectedRow)) { + continue; + } + rows.get(y).get(x).cancelEdit(); + } + } + } + + /** + * Load contents from file in CSV format. + * + * @param csvFile a File referencing the CSV data + * @throws IOException if a java.io operation throws + */ + public void loadCsvFile(final File csvFile) throws IOException { + BufferedReader reader = null; + + try { + reader = new BufferedReader(new FileReader(csvFile)); + + String line = null; + boolean first = true; + for (line = reader.readLine(); line != null; + line = reader.readLine()) { + + List list = StringUtils.fromCsv(line); + if (list.size() == 0) { + continue; + } + + if (list.size() > columns.size()) { + int n = list.size() - columns.size(); + for (int i = 0; i < n; i++) { + selectedColumn = columns.size() - 1; + insertColumnRight(selectedColumn); + } + } + assert (list.size() == columns.size()); + + if (first) { + // First row: just replace what is here. + selectedRow = 0; + first = false; + } else { + // All other rows: append to the end. + selectedRow = rows.size() - 1; + insertRowBelow(selectedRow); + selectedRow = rows.size() - 1; + } + for (int i = 0; i < list.size(); i++) { + rows.get(selectedRow).get(i).setText(list.get(i)); + } + + // TODO: detect header line + } + } finally { + if (reader != null) { + reader.close(); + } + } + + left = 0; + top = 0; + selectedRow = 0; + selectedColumn = 0; + alignGrid(); + activate(columns.get(selectedColumn).get(selectedRow)); + } + + /** + * Save contents to file in CSV format. + * + * @param filename file to save to + * @throws IOException if a java.io operation throws + */ + public void saveToCsvFilename(final String filename) throws IOException { + BufferedWriter writer = null; + + try { + writer = new BufferedWriter(new FileWriter(filename)); + for (Row row: rows) { + List list = new ArrayList(row.cells.size()); + for (Cell cell: row.cells) { + list.add(cell.getText()); + } + writer.write(StringUtils.toCsv(list)); + writer.write("\n"); + } + } finally { + if (writer != null) { + writer.close(); + } + } + } + + /** + * Save contents to file in text format with lines. + * + * @param filename file to save to + * @throws IOException if a java.io operation throws + */ + public void saveToTextFilename(final String filename) throws IOException { + BufferedWriter writer = null; + + try { + writer = new BufferedWriter(new FileWriter(filename)); + + if ((topBorder == Border.SINGLE) && (leftBorder == Border.SINGLE)) { + // Emit top-left corner. + writer.write("\u250c"); + } + + if (topBorder == Border.SINGLE) { + int cellI = 0; + for (Cell cell: rows.get(0).cells) { + for (int i = 0; i < columns.get(cellI).width; i++) { + writer.write("\u2500"); + } + + if (columns.get(cellI).rightBorder == Border.SINGLE) { + if (cellI < columns.size() - 1) { + // Emit top tee. + writer.write("\u252c"); + } else { + // Emit top-right corner. + writer.write("\u2510"); + } + } + cellI++; + } + } + writer.write("\n"); + + int rowI = 0; + for (Row row: rows) { + + if (leftBorder == Border.SINGLE) { + // Emit left border. + writer.write("\u2502"); + } + + int cellI = 0; + for (Cell cell: row.cells) { + writer.write(String.format("%" + + columns.get(cellI).width + "s", cell.getText())); + + if (columns.get(cellI).rightBorder == Border.SINGLE) { + // Emit right border. + writer.write("\u2502"); + } + cellI++; + } + writer.write("\n"); + + if (row.bottomBorder == Border.NONE) { + // All done, move on to the next row. + continue; + } + + // Emit the bottom borders and intersections. + if ((leftBorder == Border.SINGLE) + && (row.bottomBorder != Border.NONE) + ) { + if (rowI < rows.size() - 1) { + if (row.bottomBorder == Border.SINGLE) { + // Emit left tee. + writer.write("\u251c"); + } else if (row.bottomBorder == Border.DOUBLE) { + // Emit left tee (double). + writer.write("\u255e"); + } else if (row.bottomBorder == Border.THICK) { + // Emit left tee (thick). + writer.write("\u251d"); + } + } + + if (rowI == rows.size() - 1) { + if (row.bottomBorder == Border.SINGLE) { + // Emit left bottom corner. + writer.write("\u2514"); + } else if (row.bottomBorder == Border.DOUBLE) { + // Emit left bottom corner (double). + writer.write("\u2558"); + } else if (row.bottomBorder == Border.THICK) { + // Emit left bottom corner (thick). + writer.write("\u2515"); + } + } + } + + cellI = 0; + for (Cell cell: row.cells) { + + for (int i = 0; i < columns.get(cellI).width; i++) { + if (row.bottomBorder == Border.SINGLE) { + writer.write("\u2500"); + } + if (row.bottomBorder == Border.DOUBLE) { + writer.write("\u2550"); + } + if (row.bottomBorder == Border.THICK) { + writer.write("\u2501"); + } + } + + if ((rowI < rows.size() - 1) + && (cellI == columns.size() - 1) + && (row.bottomBorder == Border.SINGLE) + && (columns.get(cellI).rightBorder == Border.SINGLE) + ) { + // Emit right tee. + writer.write("\u2524"); + } + if ((rowI < rows.size() - 1) + && (cellI == columns.size() - 1) + && (row.bottomBorder == Border.DOUBLE) + && (columns.get(cellI).rightBorder == Border.SINGLE) + ) { + // Emit right tee (double). + writer.write("\u2561"); + } + if ((rowI < rows.size() - 1) + && (cellI == columns.size() - 1) + && (row.bottomBorder == Border.THICK) + && (columns.get(cellI).rightBorder == Border.SINGLE) + ) { + // Emit right tee (thick). + writer.write("\u2525"); + } + if ((rowI == rows.size() - 1) + && (cellI == columns.size() - 1) + && (row.bottomBorder == Border.SINGLE) + && (columns.get(cellI).rightBorder == Border.SINGLE) + ) { + // Emit right bottom corner. + writer.write("\u2518"); + } + if ((rowI == rows.size() - 1) + && (cellI == columns.size() - 1) + && (row.bottomBorder == Border.DOUBLE) + && (columns.get(cellI).rightBorder == Border.SINGLE) + ) { + // Emit right bottom corner (double). + writer.write("\u255b"); + } + if ((rowI == rows.size() - 1) + && (cellI == columns.size() - 1) + && (row.bottomBorder == Border.THICK) + && (columns.get(cellI).rightBorder == Border.SINGLE) + ) { + // Emit right bottom corner (thick). + writer.write("\u2519"); + } + if ((rowI < rows.size() - 1) + && (cellI < columns.size() - 1) + && (row.bottomBorder == Border.SINGLE) + && (columns.get(cellI).rightBorder == Border.SINGLE) + ) { + // Emit intersection. + writer.write("\u253c"); + } + if ((rowI < rows.size() - 1) + && (cellI < columns.size() - 1) + && (row.bottomBorder == Border.DOUBLE) + && (columns.get(cellI).rightBorder == Border.SINGLE) + ) { + // Emit intersection (double). + writer.write("\u256a"); + } + if ((rowI < rows.size() - 1) + && (cellI < columns.size() - 1) + && (row.bottomBorder == Border.THICK) + && (columns.get(cellI).rightBorder == Border.SINGLE) + ) { + // Emit intersection (thick). + writer.write("\u253f"); + } + if ((rowI == rows.size() - 1) + && (cellI < columns.size() - 1) + && (row.bottomBorder == Border.SINGLE) + && (columns.get(cellI).rightBorder == Border.SINGLE) + ) { + // Emit bottom tee. + writer.write("\u2534"); + } + if ((rowI == rows.size() - 1) + && (cellI < columns.size() - 1) + && (row.bottomBorder == Border.DOUBLE) + && (columns.get(cellI).rightBorder == Border.SINGLE) + ) { + // Emit bottom tee (double). + writer.write("\u2567"); + } + if ((rowI == rows.size() - 1) + && (cellI < columns.size() - 1) + && (row.bottomBorder == Border.THICK) + && (columns.get(cellI).rightBorder == Border.SINGLE) + ) { + // Emit bottom tee (thick). + writer.write("\u2537"); + } + + cellI++; + } + + writer.write("\n"); + rowI++; + } + } finally { + if (writer != null) { + writer.close(); + } + } + } + + /** + * Set the selected cell location. + * + * @param column the selected cell location column + * @param row the selected cell location row + */ + public void setSelectedCell(final int column, final int row) { + if ((column < 0) || (column > columns.size() - 1)) { + throw new IndexOutOfBoundsException("Column count is " + + columns.size() + ", requested index " + column); + } + if ((row < 0) || (row > rows.size() - 1)) { + throw new IndexOutOfBoundsException("Row count is " + + rows.size() + ", requested index " + row); + } + selectedColumn = column; + selectedRow = row; + alignGrid(); + } + + /** + * Get a particular cell. + * + * @param column the cell column + * @param row the cell row + * @return the cell + */ + public Cell getCell(final int column, final int row) { + if ((column < 0) || (column > columns.size() - 1)) { + throw new IndexOutOfBoundsException("Column count is " + + columns.size() + ", requested index " + column); + } + if ((row < 0) || (row > rows.size() - 1)) { + throw new IndexOutOfBoundsException("Row count is " + + rows.size() + ", requested index " + row); + } + return rows.get(row).get(column); + } + + /** + * Get the text of a particular cell. + * + * @param column the cell column + * @param row the cell row + * @return the text in the cell + */ + public String getCellText(final int column, final int row) { + if ((column < 0) || (column > columns.size() - 1)) { + throw new IndexOutOfBoundsException("Column count is " + + columns.size() + ", requested index " + column); + } + if ((row < 0) || (row > rows.size() - 1)) { + throw new IndexOutOfBoundsException("Row count is " + + rows.size() + ", requested index " + row); + } + return rows.get(row).get(column).getText(); + } + + /** + * Set the text of a particular cell. + * + * @param column the cell column + * @param row the cell row + * @param text the text to put into the cell + */ + public void setCellText(final int column, final int row, + final String text) { + + if ((column < 0) || (column > columns.size() - 1)) { + throw new IndexOutOfBoundsException("Column count is " + + columns.size() + ", requested index " + column); + } + if ((row < 0) || (row > rows.size() - 1)) { + throw new IndexOutOfBoundsException("Row count is " + + rows.size() + ", requested index " + row); + } + rows.get(row).get(column).setText(text); + } + + /** + * Set the action to perform when the user presses enter on a particular + * cell. + * + * @param column the cell column + * @param row the cell row + * @param action the action to perform when the user presses enter on the + * cell + */ + public void setCellEnterAction(final int column, final int row, + final TAction action) { + + if ((column < 0) || (column > columns.size() - 1)) { + throw new IndexOutOfBoundsException("Column count is " + + columns.size() + ", requested index " + column); + } + if ((row < 0) || (row > rows.size() - 1)) { + throw new IndexOutOfBoundsException("Row count is " + + rows.size() + ", requested index " + row); + } + rows.get(row).get(column).field.setEnterAction(action); + } + + /** + * Set the action to perform when the user updates a particular cell. + * + * @param column the cell column + * @param row the cell row + * @param action the action to perform when the user updates the cell + */ + public void setCellUpdateAction(final int column, final int row, + final TAction action) { + + if ((column < 0) || (column > columns.size() - 1)) { + throw new IndexOutOfBoundsException("Column count is " + + columns.size() + ", requested index " + column); + } + if ((row < 0) || (row > rows.size() - 1)) { + throw new IndexOutOfBoundsException("Row count is " + + rows.size() + ", requested index " + row); + } + rows.get(row).get(column).field.setUpdateAction(action); + } + + /** + * Get the width of a column. + * + * @param column the column number + * @return the width of the column + */ + public int getColumnWidth(final int column) { + if ((column < 0) || (column > columns.size() - 1)) { + throw new IndexOutOfBoundsException("Column count is " + + columns.size() + ", requested index " + column); + } + return columns.get(column).width; + } + + /** + * Set the width of a column. + * + * @param column the column number + * @param width the new width of the column + */ + public void setColumnWidth(final int column, final int width) { + if ((column < 0) || (column > columns.size() - 1)) { + throw new IndexOutOfBoundsException("Column count is " + + columns.size() + ", requested index " + column); + } + + if (width < 4) { + // Columns may not be smaller than 4 cells wide. + return; + } + + int delta = width - columns.get(column).width; + columns.get(column).width = width; + for (Cell cell: columns.get(column).cells) { + cell.setWidth(columns.get(column).width); + cell.field.setWidth(columns.get(column).width); + } + for (int i = column + 1; i < columns.size(); i++) { + columns.get(i).setX(columns.get(i).getX() + delta); + } + if (column == columns.size() - 1) { + bottomRightCorner(); + } else { + alignGrid(); + } + } + + /** + * Get the label of a column. + * + * @param column the column number + * @return the label of the column + */ + public String getColumnLabel(final int column) { + if ((column < 0) || (column > columns.size() - 1)) { + throw new IndexOutOfBoundsException("Column count is " + + columns.size() + ", requested index " + column); + } + return columns.get(column).label; + } + + /** + * Set the label of a column. + * + * @param column the column number + * @param label the new label of the column + */ + public void setColumnLabel(final int column, final String label) { + if ((column < 0) || (column > columns.size() - 1)) { + throw new IndexOutOfBoundsException("Column count is " + + columns.size() + ", requested index " + column); + } + columns.get(column).label = label; + } + + /** + * Get the label of a row. + * + * @param row the row number + * @return the label of the row + */ + public String getRowLabel(final int row) { + if ((row < 0) || (row > rows.size() - 1)) { + throw new IndexOutOfBoundsException("Row count is " + + rows.size() + ", requested index " + row); + } + return rows.get(row).label; + } + + /** + * Set the label of a row. + * + * @param row the row number + * @param label the new label of the row + */ + public void setRowLabel(final int row, final String label) { + if ((row < 0) || (row > rows.size() - 1)) { + throw new IndexOutOfBoundsException("Row count is " + + rows.size() + ", requested index " + row); + } + rows.get(row).label = label; + } + + /** + * Insert one row at a particular index. + * + * @param idx the row number + */ + private void insertRowAt(final int idx) { + Row newRow = new Row(idx); + for (int i = 0; i < columns.size(); i++) { + Cell cell = new Cell(this, columns.get(i).getX(), + rows.get(idx).getY(), COLUMN_DEFAULT_WIDTH, 1, i, idx); + newRow.add(cell); + columns.get(i).cells.add(idx, cell); + } + rows.add(idx, newRow); + + for (int x = 0; x < columns.size(); x++) { + for (int y = idx; y < rows.size(); y++) { + columns.get(x).get(y).row = y; + columns.get(x).get(y).column = x; + } + } + for (int i = idx + 1; i < rows.size(); i++) { + String oldRowLabel = Integer.toString(i - 1); + if (rows.get(i).label.equals(oldRowLabel)) { + rows.get(i).label = Integer.toString(i); + } + } + alignGrid(); + } + + /** + * Insert one row above a particular row. + * + * @param row the row number + */ + public void insertRowAbove(final int row) { + if ((row < 0) || (row > rows.size() - 1)) { + throw new IndexOutOfBoundsException("Row count is " + + rows.size() + ", requested index " + row); + } + insertRowAt(row); + selectedRow++; + activate(columns.get(selectedColumn).get(selectedRow)); + } + + /** + * Insert one row below a particular row. + * + * @param row the row number + */ + public void insertRowBelow(final int row) { + if ((row < 0) || (row > rows.size() - 1)) { + throw new IndexOutOfBoundsException("Row count is " + + rows.size() + ", requested index " + row); + } + int idx = row + 1; + if (idx < rows.size()) { + insertRowAt(idx); + activate(columns.get(selectedColumn).get(selectedRow)); + return; + } + + // row is the last row, we need to perform an append. + Row newRow = new Row(idx); + for (int i = 0; i < columns.size(); i++) { + Cell cell = new Cell(this, columns.get(i).getX(), + rows.get(row).getY(), COLUMN_DEFAULT_WIDTH, 1, i, idx); + newRow.add(cell); + columns.get(i).cells.add(cell); + } + rows.add(newRow); + alignGrid(); + activate(columns.get(selectedColumn).get(selectedRow)); + } + + /** + * Delete a particular row. + * + * @param row the row number + */ + public void deleteRow(final int row) { + if ((row < 0) || (row > rows.size() - 1)) { + throw new IndexOutOfBoundsException("Row count is " + + rows.size() + ", requested index " + row); + } + if (rows.size() == 1) { + // Don't delete the last row. + return; + } + for (int i = 0; i < columns.size(); i++) { + Cell cell = columns.get(i).cells.remove(row); + getChildren().remove(cell); + } + rows.remove(row); + + for (int x = 0; x < columns.size(); x++) { + for (int y = row; y < rows.size(); y++) { + columns.get(x).get(y).row = y; + columns.get(x).get(y).column = x; + } + } + for (int i = row; i < rows.size(); i++) { + String oldRowLabel = Integer.toString(i + 1); + if (rows.get(i).label.equals(oldRowLabel)) { + rows.get(i).label = Integer.toString(i); + } + } + if (selectedRow == rows.size()) { + selectedRow--; + } + activate(columns.get(selectedColumn).get(selectedRow)); + bottomRightCorner(); + } + + /** + * Insert one column at a particular index. + * + * @param idx the column number + */ + private void insertColumnAt(final int idx) { + Column newColumn = new Column(idx); + for (int i = 0; i < rows.size(); i++) { + Cell cell = new Cell(this, columns.get(idx).getX(), + rows.get(i).getY(), COLUMN_DEFAULT_WIDTH, 1, idx, i); + newColumn.add(cell); + rows.get(i).cells.add(idx, cell); + } + columns.add(idx, newColumn); + + for (int x = idx; x < columns.size(); x++) { + for (int y = 0; y < rows.size(); y++) { + columns.get(x).get(y).row = y; + columns.get(x).get(y).column = x; + } + } + for (int i = idx + 1; i < columns.size(); i++) { + String oldColumnLabel = makeColumnLabel(i - 1); + if (columns.get(i).label.equals(oldColumnLabel)) { + columns.get(i).label = makeColumnLabel(i); + } + } + alignGrid(); + } + + /** + * Insert one column to the left of a particular column. + * + * @param column the column number + */ + public void insertColumnLeft(final int column) { + if ((column < 0) || (column > columns.size() - 1)) { + throw new IndexOutOfBoundsException("Column count is " + + columns.size() + ", requested index " + column); + } + insertColumnAt(column); + selectedColumn++; + activate(columns.get(selectedColumn).get(selectedRow)); + } + + /** + * Insert one column to the right of a particular column. + * + * @param column the column number + */ + public void insertColumnRight(final int column) { + if ((column < 0) || (column > columns.size() - 1)) { + throw new IndexOutOfBoundsException("Column count is " + + columns.size() + ", requested index " + column); + } + int idx = column + 1; + if (idx < columns.size()) { + insertColumnAt(idx); + activate(columns.get(selectedColumn).get(selectedRow)); + return; + } + + // column is the last column, we need to perform an append. + Column newColumn = new Column(idx); + for (int i = 0; i < rows.size(); i++) { + Cell cell = new Cell(this, columns.get(column).getX(), + rows.get(i).getY(), COLUMN_DEFAULT_WIDTH, 1, idx, i); + newColumn.add(cell); + rows.get(i).cells.add(cell); + } + columns.add(newColumn); + alignGrid(); + activate(columns.get(selectedColumn).get(selectedRow)); + } + + /** + * Delete a particular column. + * + * @param column the column number + */ + public void deleteColumn(final int column) { + if ((column < 0) || (column > columns.size() - 1)) { + throw new IndexOutOfBoundsException("Column count is " + + columns.size() + ", requested index " + column); + } + if (columns.size() == 1) { + // Don't delete the last column. + return; + } + for (int i = 0; i < rows.size(); i++) { + Cell cell = rows.get(i).cells.remove(column); + getChildren().remove(cell); + } + columns.remove(column); + + for (int x = column; x < columns.size(); x++) { + for (int y = 0; y < rows.size(); y++) { + columns.get(x).get(y).row = y; + columns.get(x).get(y).column = x; + } + } + for (int i = column; i < columns.size(); i++) { + String oldColumnLabel = makeColumnLabel(i + 1); + if (columns.get(i).label.equals(oldColumnLabel)) { + columns.get(i).label = makeColumnLabel(i); + } + } + if (selectedColumn == columns.size()) { + selectedColumn--; + } + activate(columns.get(selectedColumn).get(selectedRow)); + bottomRightCorner(); + } + + /** + * Delete the selected cell, shifting cells over to the left. + */ + public void deleteCellShiftLeft() { + // All we do is copy the text from every cell in this row over. + for (int i = selectedColumn + 1; i < columns.size(); i++) { + setCellText(i - 1, selectedRow, getCellText(i, selectedRow)); + } + setCellText(columns.size() - 1, selectedRow, ""); + } + + /** + * Delete the selected cell, shifting cells from below up. + */ + public void deleteCellShiftUp() { + // All we do is copy the text from every cell in this column up. + for (int i = selectedRow + 1; i < rows.size(); i++) { + setCellText(selectedColumn, i - 1, getCellText(selectedColumn, i)); + } + setCellText(selectedColumn, rows.size() - 1, ""); + } + + /** + * Set a particular cell read-only (non-editable) or not. + * + * @param column the cell column + * @param row the cell row + * @param readOnly if true, the cell will be non-editable + */ + public void setCellReadOnly(final int column, final int row, + final boolean readOnly) { + + if ((column < 0) || (column > columns.size() - 1)) { + throw new IndexOutOfBoundsException("Column count is " + + columns.size() + ", requested index " + column); + } + if ((row < 0) || (row > rows.size() - 1)) { + throw new IndexOutOfBoundsException("Row count is " + + rows.size() + ", requested index " + row); + } + rows.get(row).get(column).setReadOnly(readOnly); + } + + /** + * Set an entire row of cells read-only (non-editable) or not. + * + * @param row the row number + * @param readOnly if true, the cells will be non-editable + */ + public void setRowReadOnly(final int row, final boolean readOnly) { + if ((row < 0) || (row > rows.size() - 1)) { + throw new IndexOutOfBoundsException("Row count is " + + rows.size() + ", requested index " + row); + } + for (Cell cell: rows.get(row).cells) { + cell.setReadOnly(readOnly); + } + } + + /** + * Set an entire column of cells read-only (non-editable) or not. + * + * @param column the column number + * @param readOnly if true, the cells will be non-editable + */ + public void setColumnReadOnly(final int column, final boolean readOnly) { + if ((column < 0) || (column > columns.size() - 1)) { + throw new IndexOutOfBoundsException("Column count is " + + columns.size() + ", requested index " + column); + } + for (Cell cell: columns.get(column).cells) { + cell.setReadOnly(readOnly); + } + } + + /** + * Set all borders across the entire table to Border.NONE. + */ + public void setBorderAllNone() { + topBorder = Border.NONE; + leftBorder = Border.NONE; + for (int i = 0; i < columns.size(); i++) { + columns.get(i).rightBorder = Border.NONE; + } + for (int i = 0; i < rows.size(); i++) { + rows.get(i).bottomBorder = Border.NONE; + rows.get(i).height = 1; + } + bottomRightCorner(); + } + + /** + * Set all borders across the entire table to Border.SINGLE. + */ + public void setBorderAllSingle() { + topBorder = Border.SINGLE; + leftBorder = Border.SINGLE; + for (int i = 0; i < columns.size(); i++) { + columns.get(i).rightBorder = Border.SINGLE; + } + for (int i = 0; i < rows.size(); i++) { + rows.get(i).bottomBorder = Border.SINGLE; + rows.get(i).height = 2; + } + alignGrid(); + } + + /** + * Set all borders around the selected cell to Border.NONE. + */ + public void setBorderCellNone() { + if (selectedRow == 0) { + topBorder = Border.NONE; + } + if (selectedColumn == 0) { + leftBorder = Border.NONE; + } + if (selectedColumn > 0) { + columns.get(selectedColumn - 1).rightBorder = Border.NONE; + } + columns.get(selectedColumn).rightBorder = Border.NONE; + if (selectedRow > 0) { + rows.get(selectedRow - 1).bottomBorder = Border.NONE; + rows.get(selectedRow - 1).height = 1; + } + rows.get(selectedRow).bottomBorder = Border.NONE; + rows.get(selectedRow).height = 1; + bottomRightCorner(); + } + + /** + * Set all borders around the selected cell to Border.SINGLE. + */ + public void setBorderCellSingle() { + if (selectedRow == 0) { + topBorder = Border.SINGLE; + } + if (selectedColumn == 0) { + leftBorder = Border.SINGLE; + } + if (selectedColumn > 0) { + columns.get(selectedColumn - 1).rightBorder = Border.SINGLE; + } + columns.get(selectedColumn).rightBorder = Border.SINGLE; + if (selectedRow > 0) { + rows.get(selectedRow - 1).bottomBorder = Border.SINGLE; + rows.get(selectedRow - 1).height = 2; + } + rows.get(selectedRow).bottomBorder = Border.SINGLE; + rows.get(selectedRow).height = 2; + alignGrid(); + } + + /** + * Set the column border to the right of the selected cell to + * Border.SINGLE. + */ + public void setBorderColumnRightSingle() { + columns.get(selectedColumn).rightBorder = Border.SINGLE; + alignGrid(); + } + + /** + * Set the column border to the right of the selected cell to + * Border.SINGLE. + */ + public void setBorderColumnLeftSingle() { + if (selectedColumn == 0) { + leftBorder = Border.SINGLE; + } else { + columns.get(selectedColumn - 1).rightBorder = Border.SINGLE; + } + alignGrid(); + } + + /** + * Set the row border above the selected cell to Border.SINGLE. + */ + public void setBorderRowAboveSingle() { + if (selectedRow == 0) { + topBorder = Border.SINGLE; + } else { + rows.get(selectedRow - 1).bottomBorder = Border.SINGLE; + rows.get(selectedRow - 1).height = 2; + } + alignGrid(); + } + + /** + * Set the row border below the selected cell to Border.SINGLE. + */ + public void setBorderRowBelowSingle() { + rows.get(selectedRow).bottomBorder = Border.SINGLE; + rows.get(selectedRow).height = 2; + alignGrid(); + } + + /** + * Set the row border below the selected cell to Border.DOUBLE. + */ + public void setBorderRowBelowDouble() { + rows.get(selectedRow).bottomBorder = Border.DOUBLE; + rows.get(selectedRow).height = 2; + alignGrid(); + } + + /** + * Set the row border below the selected cell to Border.THICK. + */ + public void setBorderRowBelowThick() { + rows.get(selectedRow).bottomBorder = Border.THICK; + rows.get(selectedRow).height = 2; + alignGrid(); + } + +}